diff -Naur Python-3.8.2.orig/configure Python-3.8.2/configure
--- Python-3.8.2.orig/configure	2020-04-12 00:00:42.000000000 +0200
+++ Python-3.8.2/configure	2020-04-12 00:08:45.000000000 +0200
@@ -3271,6 +3271,15 @@
 	*-*-cygwin*)
 		ac_sys_system=Cygwin
 		;;
+  *-apple-ios)
+  	ac_sys_system=iOS
+  	;;
+  *-apple-tvos)
+  	ac_sys_system=tvOS
+  	;;
+  *-apple-watchos)
+  	ac_sys_system=watchOS
+  	;;
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
@@ -3318,6 +3327,15 @@
 			_host_cpu=$host_cpu
 		esac
 		;;
+  *-apple-*)
+      case "$host_cpu" in
+      arm*)
+          _host_cpu=arm
+          ;;
+      *)
+          _host_cpu=$host_cpu
+    esac
+    ;;
 	*-*-cygwin*)
 		_host_cpu=
 		;;
@@ -3396,6 +3414,13 @@
     define_xopen_source=no;;
   Darwin/1[0-9].*)
     define_xopen_source=no;;
+  # On iOS, defining _POSIX_C_SOURCE also disables platform specific features.
+  iOS/*)
+    define_xopen_source=no;;
+  tvOS/*)
+    define_xopen_source=no;;
+  watchOS/*)
+    define_xopen_source=no;;
   # On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
   # used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
   # or has another value. By not (re)defining it, the defaults come in place.
@@ -6165,10 +6190,16 @@
 fi
 
 if test "$cross_compiling" = yes; then
-    case "$READELF" in
-	readelf|:)
-	as_fn_error $? "readelf for the host is required for cross builds" "$LINENO" 5
-	;;
+    case "$host" in
+    *-apple-*os)
+        # readelf not required for iOS cross builds.
+        ;;
+    *)
+        case "$READELF" in
+            readelf|:)
+            as_fn_error $? "readelf for the host is required for cross builds" "$LINENO" 5
+            ;;
+        esac
     esac
 fi
 
@@ -6920,8 +6951,6 @@
 # tweak BASECFLAGS based on compiler and platform
 case $GCC in
 yes)
-    CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
-
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wextra" >&5
 $as_echo_n "checking for -Wextra... " >&6; }
      ac_save_cc="$CC"
@@ -11438,6 +11467,10 @@
 	;;
 	hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
+  # Dynamic loading on iOS
+  iOS/*) DYNLOADFILE="dynload_shlib.o";;
+  tvOS/*) DYNLOADFILE="dynload_shlib.o";;
+  watchOS/*) DYNLOADFILE="dynload_shlib.o";;
	*)
 	# use dynload_shlib.c and dlopen() if we have it; otherwise stub
 	# out any dynamic loading
 	if test "$ac_cv_func_dlopen" = yes